package com.heima.user.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;

import com.heima.utils.common.AppJwtUtil;
import jdk.nashorn.internal.parser.Token;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;


@Service
@Transactional //事物
@Slf4j //打印日志
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {

    /**
     * app端登录功能
     * @return 登陆结果
     */
    @Override
    public ResponseResult<?> login(LoginDto dto) {

        //正常登录
         if(StringUtils.isNotBlank(dto.getPhone()) && StringUtils.isNotBlank(dto.getPassword())){
            //根据手机号查询用户信息
             ApUser dbUser = getOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone, dto.getPhone()));
             if(dbUser == null){
                 return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户不存在");
             }

             //对比密码
             String salt = dbUser.getSalt();
             String password = dto.getPassword();
             String pswd  = DigestUtils.md5DigestAsHex((password + salt).getBytes());
             if(!pswd.equals(dbUser.getPassword())){
                 return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
             }

             String token = AppJwtUtil.getToken(dbUser.getId().longValue());
             Map<String,Object> map = new HashMap<>();
             map.put("token",token);
             dbUser.setPassword("");
             dbUser.setSalt("");
             map.put("user",dbUser);

             return ResponseResult.okResult(map);



         }else {
             Map<String,Object> map = new HashMap<>();
             map.put("token",AppJwtUtil.getToken(0L));
             return ResponseResult.okResult(map);
         }


    }
}
